<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  test1
  <button onclick="history.pushState({}, 'test1', '/test2.html')">btn1</button>
  <script>
  </script>
</body>
</html>
